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#
# Copyright (c) 2017, Alliance for Open Media. All rights reserved
#
# This source code is subject to the terms of the BSD 2 Clause License and the
# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
# not distributed with this source code in the LICENSE file, you can obtain it
# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
# License 1.0 was not distributed with this source code in the PATENTS file, you
# can obtain it at www.aomedia.org/license/patent.
#
if(AOM_BUILD_CMAKE_SANITIZERS_CMAKE_)
return()
endif() # AOM_BUILD_CMAKE_SANITIZERS_CMAKE_
set(AOM_BUILD_CMAKE_SANITIZERS_CMAKE_ 1)
if(MSVC OR NOT SANITIZE)
return()
endif()
include("${AOM_ROOT}/build/cmake/compiler_flags.cmake")
string(TOLOWER ${SANITIZE} SANITIZE)
# Require the sanitizer requested.
require_linker_flag("-fsanitize=${SANITIZE}")
require_compiler_flag("-fsanitize=${SANITIZE}" YES)
# Make callstacks accurate.
require_compiler_flag("-fno-omit-frame-pointer -fno-optimize-sibling-calls" YES)
# Fix link errors due to missing rt compiler lib in 32-bit builds.
# http://llvm.org/bugs/show_bug.cgi?id=17693
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
if(${CMAKE_SIZEOF_VOID_P} EQUAL 4 AND "${SANITIZE}" MATCHES
"integer|undefined")
require_linker_flag("--rtlib=compiler-rt -lgcc_s")
endif()
endif()
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